An understanding of common values and principles plays animportant role in discussions on the further development ofEuropean integration and the increase in right-wing populistand protectionist tendencies in Europe. This relates to both thescientific debate and public opinion, as well as the policy of theEuropean Union and its member states.This collected volume aims to address convergences and divergences,arguments and counterarguments in the German andPolish understanding of European integration, EU policies andbilateral relations through the lens of common values and principles.A predominantly younger generation of academics andanalysts from Germany and Poland contributed to the collection.The approach was to present a volume that is multi-perspective,interdisciplinary and solution-oriented, with the overall objectiveof enriching German, Polish and European discussions on thissubject by presenting new research findings, reflective questions,trenchant conclusions and possible joint courses of action.With contributions byKai-Olaf Lang, Magdalena Musiał-Karg, Adam Jaskulski, AdrianChojan, Mikołaj J. Tomaszyk, Maciej Cieślukowski, Adam Kirpsza,Ida Musiałkowska, Mariusz Ruszel, Jan Muszyński, Kamila Schöll-Mazurek, Marta Kozłowska, Erik Malchow, Oliver Tettenborn,Ireneusz Paweł Karolewski, Thomas Mehlhausen, BartoszRydliński and Weronika Priesmeyer-Tkocz.